Update runtime files.
diff --git a/runtime/syntax/cuda.vim b/runtime/syntax/cuda.vim
index cfc70b9..13d70e3 100644
--- a/runtime/syntax/cuda.vim
+++ b/runtime/syntax/cuda.vim
@@ -1,15 +1,15 @@
" Vim syntax file
" Language: CUDA (NVIDIA Compute Unified Device Architecture)
" Maintainer: Timothy B. Terriberry <tterribe@users.sourceforge.net>
-" Last Change: 2007 Oct 13
+" Last Change: 2018 Feb 06
" quit when a syntax file was already loaded
if exists("b:current_syntax")
finish
endif
-" Read the C syntax to start with
-runtime! syntax/c.vim
+" Read the C++ syntax to start with
+runtime! syntax/cpp.vim
" CUDA extentions
syn keyword cudaStorageClass __device__ __global__ __host__